Street-cleaning machine.



W. F. AYARS.

STREET CLEANING MACHINE.

AP PLlCATION FILED JAN. 30. l9l8.

1 ,274:,664. Patented Aug. 6, 1918.

m: mamas runs co. FNOYO-LHNQ. WASHING mu, 0. c.

W. F. AYARS.

STREET CLEANING MACHINE.

APPLICATION FILED 1Au.3o. l9l8.

1,274,664. PatentedAug. 6,1918.

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W. F. AYA'RS.

STREET CLEANING MACHINE.

APPLICATION FILED JAN-30. I918.

Gnu-Luna ms mamas PL'JERS m. PNOTO-UYHOY, WASNINCYDN, my C.

To all whom it may concern:

.UNITED STATES PATENT OFFICE.

WALTER F. .AYARS, OF BRIDGETON, NEW JERSEY.

STREET-CLEANING MACHINE.

known for brushing and scrubbing and more particularly has reference toa streetcleaning machine.

As the primary aim and object, this invention contemplates the provisionof a machine of the above mentioned character wherein improvedcooperative sweeping, elevating and conveying means are arranged tooperate simultaneously with respect to each other so as to assure theremoval of dirt from the street and the depositing of the dirt within areceiving compartment in the body of the machine. v

It is an additional object of this invention to provide a machine of theabove mentioned character wherein the elevating means is designed tooperate through the dirt receiving trough at the forward end of the bodyof the machine'so'as to remove the dirt from the trough and elevate itand consequently deposit it on a conveying means which inv turn conveysthe dirt to the dirt receiving compartment.

As a further improvement this invention includes the provision ofimproved cooperative guiding and tripping means designed for use in conunct1on with swinging buckets of the elevating means so as to assure ofthe proper actuation of the buckets during the operation of the machine.

It is a more specificobject of thisinven- 7 tion to provide improvedsprinkling means 5 the cost of for sprinkling or spraying the dirt inthe dirt compartment in the body for preventing dust, etc.

Among the other aims and objects of this invention may berecited theprovision of a device of the character described with a view tocompactness, and in which the number of parts. are few, the constructionsimple and production low and the efliciency highp, I 1' I V Otherobjects as well as the nature, characteristic features and scope of thisinventionwill be more residilyapparent from the following descriptiontaken in connection Specification of Letters Patent. Patented Aug; 6, AApplication filed January so, 1918. Serial No. 214,503.

with the accompanying drawings and pointed out in the claims forming apart of this specification.

The invention is clearly illustrated in the accompanying drawings,wherein:

Figure I is a longitudinal sectional View of the invention. i

Fig. 2 is a top plan View; of the machine with the top of the bodyremoved.

Fig. 3 is a transverse section taken on the line33 of Fig. 1 in thedirection in which the arrows point.

Fig. 4C is a transverse section taken on the line 4.4 of Fig. 1 in thedirection in which the arrows point. i

Similar characters of reference are employed in all of the abovedescribed views to indicate corresponding parts.

Referring now, more'particularly, to the accompanying drawings, there isprovided a motor vehicle consisting generally of a frame 1 the rearportion of which is designed for a body or casing 2 of a rectangularfiguration. A rear axle 3 is journaled through the rear portion of theframe or body and has supporting wheels 4 operably mounted on therespective ends thereof while other supporting wheels 5 are also mountedon the respective ends of the front axle 6. A hood 7 is mounted on theforward end of the frame and is adapted .to cover suitable motive powerwhile the transmission box or casing 8 is mounted beneaththe body nearthe forward end thereof. A rotatable shaft 9 extends from thetransmission box 8 and carries on its outer end a sprocket wheel 10 overwhich operates a chain 11 which in turn is trained about anothersprocket wheel 12 at the end of the rear axle 3. A driversseat 13 ismounted forwardly on the body in spacedrelation to the dash while thesteerstruction and this invention'is not limited to the particularconstruction shown as it is apparent that other means may be employedfor transmitting motion to the rear axle and likewise it is unnecessaryto employ motion transmitting means to the rear axle.

The bottom of the body 2 is formed near its front end with anopeningwhile journaled through the sides ofthe body above ing wheel 14: isoperably connected tothe v the opening is a transverse shaft 16 on whichis carried a rotary sweeping brush 17 consisting of a cylindrical body19 from which projects bristles 18. This brush of-course, is po sitionedthrough the opening 15 while the bristles are designed to be engagedupon the ground for sweeping dirt etc. A dirt receiving trough 20 isformed in the bottom of the body near the front end thereof while aninclined apron 22 depends from the trough and is positioned in theopening 15 and in closely spaced relation to the ground and in proximityto the brush bristles 19 so that the dirt which is swept from thesurface of the street will be directed up the apron and will bedeposited in the trough 20.

In order to actuate the sweeping brush simultaneously with the actuationof V the motor vehicle a stub shaft 23 is journaled through one side ofthe body or casing and has a sprocket wheel 24 mounted on the outer endthereof and over this sprocket wheel a chain is trained; .This chain isalso trained about another sprocket wheel 26 on the opposite end of therear axle 3 that during the rotation of the rear axle 3 of the stubshaft will be rotated in a corresponding direction. A gear 27 is alsocarried by the shaft 23 and is positioned adjacent the outer face of theside wall of the body and meshes with another gear 28 V on theprojecting end of the shaft 16 and is designed to be rotated in theopposite direction from the gear 27 and the shaft 23 so as toconsequently assure of the brush 17 sweeping the dirt upon the apron 22.

With a view toward providing the improved elevating means for removingthe dirt from the trough 20, a plurality of shafts 29 are arran ed atright angles to the front wall and longitudinally of the body havingtheir respective ends journaled in the front wall and in brackets 30 and31 which extend respectively from the opposite points on the side wallsand from the upper end of the apron 2 the shafts being positioned inproximity to the opposed upper and lower corners of the body asindicated in Fig. 3. Sprocket wheels are carried on each of the shafts29 while operating about these wheels are spaced endless chains 33between opposed links of which and at uniformly spaced intervalsthroughout their lengths are swinc'inc'lv connected transverse buckets34 which may be and preferably are substantially l-shapcd in crosssection. i It is Y to be observed that the upper and lower and side laysof the chains 33 are respectively arranged in close relation to theupper and lower and side walls of the body. A wear plate 35 is mountedin the bottom of the 1 '1 00 .j "i u 11 g riou 1 2 inc an arcua c Joocis mount ed in one end .of'the trough and extends upwardly in closerelation to one side wall and is designed to cooperate With the buckets34s as they pass through the trough.

,Thel'i ckets are connected so that they will normally lie in an uprightposition. In order to trip the buckets immediately before they enter thetrough a tripping pin 37 extends outwardly from the inner surface of thefront wall in proximity to the wear plate and lies in the path ofmovement of the buckets and is designed to successively swing thebuckets into a substantially inverted position so that one of the sideedges of each of the buckets will be engaged on the wear plate while therelation of the lower leg of the chain is close to the wear plate so asto prevent the buckets from ri ht then'iselves until they have passed bythe boot 36. In tripping the buckets of the upper lay of the chain aguiding shoe 38 extends from the front wall and lies in the path ofmovement of each of the buckets so as to swir h lrickets aoout theirpivots when engaged therebu In this connection it is to be noted, theshoe is arcuate while extending from the front wall is another tr m'iingpin 39, which is designed to engage the upper edge of each of thebuckets im mediately after th' ss over the shoe and assure of a completedumping; of the buckets for purpose which will presently become arent.

In actuatino the elevating means simultaneously with the sweeping meansa bevel ear 40 is mounted on one projecting end of one of the shafts 29and meshes with another hovel gear 41 carried by the stub shaft 42journaled transversely in one side wall of the body. A sprocket wheel 48is carried by the outer projecting end ofthe stub shaft 42 while a chain44 operates about the sprocket wheel 43 and also about another sprocketwheel 45 carried by the projecting end of the shaft 16. This motiontransmit ting means, of course, assures of the actuation of theelevating means.

Cooperating with the elevating means is the in'iproved conveying meansand this conveying means consists of a lower shaft 46 journaled inbrackets 47 which project from the front wall and terminate so as toposition the shaft beneath the upper lay of the chains of the elevatingmeans. Another shaft 48 is journaled transversely in the sides of thebody near the top thereof while one end projects beyond one side of thebody. Spaced sprocket wheels 49 are mounted rigidly on the shafts 46 and48 while operating about the alining sprocket wheels on the shafts areendless chains 50. Tl ese chains carrv an endless belt 51 which hasmounted transversely thereacross at uniformly spaced intervals aplurality of stationary buckets 52. The conveyer, of course s inclinedunwardly while the upper lay moves in the direction toward the rear endof the body so'that the dirt Whichis deposited from the swingingbynck'ets 34 falls upon the endless belt 51 and in the buckets 52 and,of course, is conveyed upwardly and subsequentlv deposited in the"Suitable means for actuating the convey-.

ing means simultaneously with the sweeping means and the elevating meansand in the same direction as the sweeping means consists of the sprocketwheel56 carried by the projecting end of the shaft 48 and over whichsprocket wheel operates a chain 57 which also operatesabout anothersprocket wheel 58 on the shaft 16.

As intimated there is provided means for sprinkling the dirt in thecompartment 53 and in reducing this feature of the invention to practicea tank 59 is mounted transversely on the dirt compartment and isdesigned for receiving suitable liquid such as water which is dispensedtherefrom through the medium of a nozzle 60 depending from the tank. Adoor 61 is swingingly mounted in the back of the body and establishesaccess to the compartment 53 when it is desired to remove the dirttherefrom.

The mode of operation of the present invention may be reviewed asfollows:

Assuming that the parts have been assembled in the manner described andas indicated in the drawings. Upon the forward movement of the vehiclerotary motion will be transmitted from the-rear axle 3 to the sweepingbrush 17 so as to rotate the latter in the opposite direction andconsequently assure of dirt, etc., being swept up the inclined apron'22and deposited in the dirt trough 20. During this movement, the elevatingmeanscwhich is operably connected to the shaft 16- of the sweeping brushthrough the instruinentality of the sprocket 7 wheels 45 and 43 and thechain 4A as well as the stub shaft 42 and the inter-meshing gears 40 and41, will be actuated so that the buckets 34 will be passed through thetrough 20 so as to engage the dirt in the bottom thereof and elevate thedirt upwardly. These buckets are first tripped to assume the position asindicated in Fig. 3 by the tripping pin 37 so as to assure of a scrapingof dirt from the trough and are subsequently tilted and tripped by theguiding shoe 38 and the tripping pin 39 so that the contents thereofwill be deposited upon the inclined and endless conveyor and apron 51.As is apparent this apron operates simultane- Copies of this patient maybe obtained for five cents each, by addressing th Washington, D. G.

that the language used in ously with the brush 17 and in the samedirection so that the dirt will be conveyed upwardly and deposited inthe dirt compartment 53. Suitable means, of course, not shown may beemployed for actuating the sprinkling means so as to reduce theformation of dust when the machine is in operation.

It is believed in view of the foregoing description that a furtherdetail description of the invention is entirely unnecessary.

Likewise it will be believed that the advantages of the invention willbe readily apparent.

As many changes could be made in the above construction and manyapparently widely different embodiments of this invention could be madewithout departing from the scope thereof it is intended that all mattercontained in the above description or shown in the accompanying drawingsshall be interpreted as illustrative and not in a limited sense. It isalso to be understood the following claims is intended to cover all thegeneric and specific features of the invention-herein described and allstatements of the scope of the invention which as a matter of languagemight be said to fall therebetween.

The invention having been described, what is claimed as new and usefulis:

A street cleaning machine including a vehicle body, a dirt trough formedin the bottom thereof formed near the forward end, a boot mounted nearone end of the trough, a dirt compartment near the rear part of thebody, brushing and sweeping means for depositing dirt in the trough,elevating means operably mounted in the body and passing through thetrough and embodying a plurality of shafts arranged near the upper andlower corners of thebody, spaced sprocket wheels carried by the shafts,endless chains operating about the alining sprocket wheels, a series ofbuckets V-shaped in cross section having their ends swingingly connectedto opposed links of the chains and normally positioned upright andbetween the chains, a trip member mounted in the body and designed totilt each of the buckets as they successively enter the trough so as tofacilitate filling of the buckets, a guide mounted near the top of thebody for dumping the buckets, another trip member cooperating with theguide for assuring of the successive dumping of the buckets, andconveying means operably mounted in the body for receiving dirt from thebuckets and depositing it in the dirt compartment.

In testimony whereof I affix my signature.

WALTER F. AYARS.-

e Commissioner of Patents,

